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FM11 and GMPP LS6 heads dyno graph

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Old Apr 11, 2005 | 08:59 PM
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Default FM11 and GMPP LS6 heads dyno graph
We put the tune in it out of the cam only car that made 390 rwhp in it last Friday. It's running rich as hell and problably needs a degree of timing taken from it due to 11:1 compression. The setup consist of a 39,000 mile shortblock, GMPP LS6 heads 60.7 cc, FM11, LS6 intake, Shaner S2 T.B., ASP underdrive pulley, 12 bolt with 4:10 gears, and 18 X 10.5 Motorsport Z06 wheels. The car pulled 437/407 with no dyno tricks. We are going to do a wideband tune and see what she does. Also we will be adding a TNT F2 kit and try a 150-200 h.p. shot.
Attached Thumbnails FM11 and GMPP LS6 heads dyno graph-mikedyno.jpg  
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Old Apr 11, 2005 | 09:02 PM
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Sweet!! the F11 does okay on stock heads also....
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Old Apr 12, 2005 | 07:17 PM
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WOW, awsome numbers..... thats a very nice set-up!
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Old Apr 12, 2005 | 09:06 PM
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Time to go a little bigger......
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Old Apr 13, 2005 | 10:46 AM
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Were the heads the only thing that was changed between the cam only and h/c pulls? If so, that's a very nice gain.
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Old Apr 13, 2005 | 10:49 AM
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good numbers, graph looks good
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Old Apr 13, 2005 | 12:17 PM
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he also added an asp pully and ported tb. but, the motor made the 390 in a different car that had stock 3.42 gears in a 10 bolt. the 4.10's in his 12 bolt are eating up 10-15 rwhp more than the 10 bolt did.
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Old Apr 13, 2005 | 12:22 PM
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The other car was also cam only the engine came out of. Give me a call Jordon.
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Old Apr 21, 2005 | 05:38 PM
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F11 on 112 or 114? straight up? any flycutt needed?
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Old Apr 21, 2005 | 06:27 PM
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Are the heads out of the box?
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Old Apr 21, 2005 | 09:34 PM
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Originally Posted by Z06 Steve
F11 on 112 or 114? straight up? any flycutt needed?
It's a 112 lsa. and it fit with no flycutting.
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Old Apr 21, 2005 | 09:35 PM
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Originally Posted by WS-Sick
Are the heads out of the box?

These are out of the box, the only thing I did was change the springs to Comp 918's.
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Old Apr 22, 2005 | 10:22 AM
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what head gaskets were used? pushrod length? cam in straight up?
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Old Apr 22, 2005 | 10:42 AM
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gm mls head gaskets. 7.4 pr. straight up
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Old Apr 22, 2005 | 01:02 PM
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sweet.keep us posted with the updated #'s
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Old Apr 22, 2005 | 04:57 PM
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Originally Posted by Z06 Steve
sweet.keep us posted with the updated #'s

Will do, I'm trying to sell the FM11 right now, and move up to a FM13 on a 114 lsa.
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Old Apr 22, 2005 | 05:13 PM
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will the FM13 fit without a flycutt?
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Old Apr 22, 2005 | 05:32 PM
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That's why I want a 114 l.s.a. It should clear.
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Old Apr 23, 2005 | 08:27 AM
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Originally Posted by INVISIBLEZ
These are out of the box, the only thing I did was change the springs to Comp 918's.
Are those heads ported? I know you said out of the box, but I thought Lingenfelter ported some of the GMMP heads. Great results either way.

Bruce
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Old Apr 24, 2005 | 09:46 PM
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Nice numbers, congrats
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